Write an expression to find the amount of simple interest, a, earned on a $600 investment after 1 1/2 years of interest rate is 2%

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

In the geometric progression –3, 12, −48… what term is 3,072?

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?